groovy-core/src/main/org/codehaus/groovy/runtime/typehandling/FloatingPointMath.java

/*
 * Copyright 2003-2007 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.codehaus.groovy.runtime.typehandling;

/**
 * FloatingPoint (Double and Float) NumberMath operations
 * 
 * @author Steve Goetze
 */
public class FloatingPointMath extends NumberMath {

	public static final FloatingPointMath INSTANCE = new FloatingPointMath();
	
	private FloatingPointMath() {}
				
	protected Number absImpl(Number number) {
		return new Double(Math.abs(number.doubleValue()));
	}
	
	protected Number addImpl(Number left, Number right) {
		return new Double(left.doubleValue() + right.doubleValue());
	}

	protected Number subtractImpl(Number left, Number right) {
		return new Double(left.doubleValue() - right.doubleValue());
	}

	protected Number multiplyImpl(Number left, Number right) {
		return new Double(left.doubleValue() * right.doubleValue());
	}

	protected Number divideImpl(Number left, Number right) {
		return new Double(left.doubleValue() / right.doubleValue());
	}
	protected int compareToImpl(Number left, Number right) {
		return Double.compare(left.doubleValue(), right.doubleValue());
	}
    
    protected Number modImpl(Number left, Number right) {
        return new Double(left.doubleValue() % right.doubleValue());
    }
    
    protected Number negateImpl(Number left) {
        return new Double(-left.doubleValue());
    }
}